157007157123 has 16 divisors (see below), whose sum is σ = 219057418656. Its totient is φ = 99920920320.

The previous prime is 157007157121. The next prime is 157007157157. The reversal of 157007157123 is 321751700751.

It is not a de Polignac number, because 157007157123 - 2¹ = 157007157121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157007157121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13338258 + ... + 13350023.

It is an arithmetic number, because the mean of its divisors is an integer number (13691088666).

Almost surely, 2^157007157123 is an apocalyptic number.

157007157123 is a deficient number, since it is larger than the sum of its proper divisors (62050261533).

157007157123 is a wasteful number, since it uses less digits than its factorization.

157007157123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26688374.

The product of its (nonzero) digits is 51450, while the sum is 39.

Adding to 157007157123 its reverse (321751700751), we get a palindrome (478758857874).

The spelling of 157007157123 in words is "one hundred fifty-seven billion, seven million, one hundred fifty-seven thousand, one hundred twenty-three".